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validation custom message for rails 3
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196
Try this
validates :title, presence: { message: "Story title is required" }
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How do you stop Console from popping up automatically in Eclipse
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168
There are two buttons on the console toolbar at the bottom that allow you to take focus (or no...
MySQL: ignore errors when importing?
I am importing a fairly large database. The .sql file has almost 1,000,000 lines in it. Problem is that I am getting a syntax error when trying to import the database. It says:
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MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，
但并不多用，所以这里只对第一个介绍）
参数：
1、Format参数是一个格式字符串，用于格式化Args里面的值的。格式字符串中包含了一个或多个以%字符开始的格式指令，我们通过这些格式指令来编译器如何对Args里面的值进...
Show pop-ups the most elegant way
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edited Jan 17 '18 at 18:33
skeletank
2,71055 gold badges4141 silver badges7171 bronze badges
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Renaming table in rails
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edited Apr 5 '16 at 18:02
vergenzt
7,38333 gold badges2424 silver badges4141 bronze badges
a...
Sharing Test code in Maven
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190
I recommend using type instead of classifier (see also: classifier). It tells Maven a bit mor...
ASP.NET “special” tags
...ed for inclusion of server-side code to the Render() method (<% x = x + 1; %>) of the generated class. Format: single/multiline or multiple-linked (e.g. if/then/else interspersed with html) but cannot be used to declare functions.
<%= %> is a Code Render Block (for inline expressions). U...
How do I provide JVM arguments to VisualVM?
I'm using VisualVM from JDK 1.6.0_26 to profile a Java webapp running under Tomcat, but VisualVM often tells me that it doesn't have enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I...
d3 axis labeling
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Axis labels aren't built-in to D3's axis component, but you can add labels yourself simply by ...